FKIE_CVE-2026-63358
Vulnerability from fkie_nvd - Published: 2026-07-21 21:16 - Updated: 2026-08-05 19:44
Severity
Summary
FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()' function through 'octdec()' conversion, with no validation. This allows an authenticated user with 'chmod' permission to upgrade their privileges to root.
References
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "FileGator",
"vendor": "FileGator",
"versions": [
{
"lessThan": "7.14.2",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "7.14.2"
}
]
}
],
"source": "9119a7d8-5eab-497f-8521-727c672e3725"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filegator:filegator:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F216E975-C135-4EFF-BEFB-C41AA58D0897",
"versionEndExcluding": "7.14.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "FileGator accepts arbitrary Unix permission values via the \u0027/chmoditems\u0027 API endpoint and passes the value directly to PHP\u0027s native \u0027chmod()\u0027 function through \u0027octdec()\u0027 conversion, with no validation. This allows an authenticated user with \u0027chmod\u0027 permission to upgrade their privileges to root."
}
],
"id": "CVE-2026-63358",
"lastModified": "2026-08-05T19:44:48.957",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.5,
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"type": "Secondary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"ssvcData": {
"id": "CVE-2026-63358",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-14T19:33:24.593024Z",
"version": "2.0.3"
}
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-63358",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-30T17:29:58.694887Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-07-21T21:16:53.193",
"references": [
{
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"tags": [
"Release Notes"
],
"url": "https://github.com/filegator/filegator/blob/master/CHANGELOG.md#7142---2026-05-18"
},
{
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"tags": [
"Patch"
],
"url": "https://github.com/filegator/filegator/commit/4a44ed9a43f84505703dce669c68fb55270c3f2c"
},
{
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"tags": [
"Product"
],
"url": "https://github.com/filegator/filegator/tree/master"
},
{
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"tags": [
"VDB Entry"
],
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-03.json"
},
{
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"tags": [
"VDB Entry"
],
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63358"
}
],
"sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-732"
}
],
"source": "9119a7d8-5eab-497f-8521-727c672e3725",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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